{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:PCZGVZEEN3GBX6B5KOAT46O3O3","short_pith_number":"pith:PCZGVZEE","canonical_record":{"source":{"id":"1307.3521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-12T17:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"890fe90103b6d8d13706db5ff5e09c49e5f99cf96d670e50b61c6f9f4125cbbb","abstract_canon_sha256":"fc46bb1fdb498331a83ad21f07076001e929ee528119cf68e87c73b58bfba91b"},"schema_version":"1.0"},"canonical_sha256":"78b26ae4846ecc1bf83d53813e79db76efc22a41565b2c43e0a3a0c027ed19ed","source":{"kind":"arxiv","id":"1307.3521","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3521","created_at":"2026-05-18T03:18:38Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3521v1","created_at":"2026-05-18T03:18:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3521","created_at":"2026-05-18T03:18:38Z"},{"alias_kind":"pith_short_12","alias_value":"PCZGVZEEN3GB","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PCZGVZEEN3GBX6B5","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PCZGVZEE","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:PCZGVZEEN3GBX6B5KOAT46O3O3","target":"record","payload":{"canonical_record":{"source":{"id":"1307.3521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-12T17:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"890fe90103b6d8d13706db5ff5e09c49e5f99cf96d670e50b61c6f9f4125cbbb","abstract_canon_sha256":"fc46bb1fdb498331a83ad21f07076001e929ee528119cf68e87c73b58bfba91b"},"schema_version":"1.0"},"canonical_sha256":"78b26ae4846ecc1bf83d53813e79db76efc22a41565b2c43e0a3a0c027ed19ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:18:38.985681Z","signature_b64":"k/ZCYIJL97+CaRcBlXjEChO91tQWazjrCbFKiUYL20LUw4DemptkhKTSfYXBH4S7BxloW3tFKO4Sa0+4rNN+Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78b26ae4846ecc1bf83d53813e79db76efc22a41565b2c43e0a3a0c027ed19ed","last_reissued_at":"2026-05-18T03:18:38.985281Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:18:38.985281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.3521","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:18:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"avUiEiGRyT7jRqien00+y4YeG5zUgPQI9GRpNLt7wxc/o1O6t7nOfswNpFmMg3+ZpM7uekyFnO+1TjOlOAR5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:08:16.251299Z"},"content_sha256":"d2a62ab0a45af4644d1a13babb9878e624980f36bb3ca1431cda39d00b95f3eb","schema_version":"1.0","event_id":"sha256:d2a62ab0a45af4644d1a13babb9878e624980f36bb3ca1431cda39d00b95f3eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:PCZGVZEEN3GBX6B5KOAT46O3O3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stability and bifurcation of a soap film spanning an elastic loop","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Eliot Fried, Yi-Chao Chen","submitted_at":"2013-07-12T17:31:07Z","abstract_excerpt":"The Euler--Plateau problem, proposed by \\cite{gm}, concerns a soap film spanning a flexible loop. The shapes of the film and the loop are determined by the interactions between the two components. In the present work, the Euler--Plateau problem is reformulated to yield a boundary-value problem for a vector field that parameterizes both the spanning surface and the bounding loop. Using the first and second variations of the relevant free-energy functional, detailed bifurcation and stability analyses are performed. For spanning surface with energy density $\\sigma$ and a bounding loop with length"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3521","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:18:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LK5omIYrlLFDh6za12bWuH3PmtyABpSEG5DbLX8pGmtET4KLC0fBA9znbBsDcNXGbMrt6HWUhcsCmw5ZC/wvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:08:16.251671Z"},"content_sha256":"5d6154d103999269d3755959195089e69df4d9ed4b935c018f36fce15d024355","schema_version":"1.0","event_id":"sha256:5d6154d103999269d3755959195089e69df4d9ed4b935c018f36fce15d024355"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PCZGVZEEN3GBX6B5KOAT46O3O3/bundle.json","state_url":"https://pith.science/pith/PCZGVZEEN3GBX6B5KOAT46O3O3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PCZGVZEEN3GBX6B5KOAT46O3O3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-01T19:08:16Z","links":{"resolver":"https://pith.science/pith/PCZGVZEEN3GBX6B5KOAT46O3O3","bundle":"https://pith.science/pith/PCZGVZEEN3GBX6B5KOAT46O3O3/bundle.json","state":"https://pith.science/pith/PCZGVZEEN3GBX6B5KOAT46O3O3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PCZGVZEEN3GBX6B5KOAT46O3O3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:PCZGVZEEN3GBX6B5KOAT46O3O3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fc46bb1fdb498331a83ad21f07076001e929ee528119cf68e87c73b58bfba91b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-12T17:31:07Z","title_canon_sha256":"890fe90103b6d8d13706db5ff5e09c49e5f99cf96d670e50b61c6f9f4125cbbb"},"schema_version":"1.0","source":{"id":"1307.3521","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3521","created_at":"2026-05-18T03:18:38Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3521v1","created_at":"2026-05-18T03:18:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3521","created_at":"2026-05-18T03:18:38Z"},{"alias_kind":"pith_short_12","alias_value":"PCZGVZEEN3GB","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PCZGVZEEN3GBX6B5","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PCZGVZEE","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:5d6154d103999269d3755959195089e69df4d9ed4b935c018f36fce15d024355","target":"graph","created_at":"2026-05-18T03:18:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The Euler--Plateau problem, proposed by \\cite{gm}, concerns a soap film spanning a flexible loop. The shapes of the film and the loop are determined by the interactions between the two components. In the present work, the Euler--Plateau problem is reformulated to yield a boundary-value problem for a vector field that parameterizes both the spanning surface and the bounding loop. Using the first and second variations of the relevant free-energy functional, detailed bifurcation and stability analyses are performed. For spanning surface with energy density $\\sigma$ and a bounding loop with length","authors_text":"Eliot Fried, Yi-Chao Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-12T17:31:07Z","title":"Stability and bifurcation of a soap film spanning an elastic loop"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3521","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d2a62ab0a45af4644d1a13babb9878e624980f36bb3ca1431cda39d00b95f3eb","target":"record","created_at":"2026-05-18T03:18:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fc46bb1fdb498331a83ad21f07076001e929ee528119cf68e87c73b58bfba91b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2013-07-12T17:31:07Z","title_canon_sha256":"890fe90103b6d8d13706db5ff5e09c49e5f99cf96d670e50b61c6f9f4125cbbb"},"schema_version":"1.0","source":{"id":"1307.3521","kind":"arxiv","version":1}},"canonical_sha256":"78b26ae4846ecc1bf83d53813e79db76efc22a41565b2c43e0a3a0c027ed19ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78b26ae4846ecc1bf83d53813e79db76efc22a41565b2c43e0a3a0c027ed19ed","first_computed_at":"2026-05-18T03:18:38.985281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:18:38.985281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k/ZCYIJL97+CaRcBlXjEChO91tQWazjrCbFKiUYL20LUw4DemptkhKTSfYXBH4S7BxloW3tFKO4Sa0+4rNN+Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:18:38.985681Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.3521","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2a62ab0a45af4644d1a13babb9878e624980f36bb3ca1431cda39d00b95f3eb","sha256:5d6154d103999269d3755959195089e69df4d9ed4b935c018f36fce15d024355"],"state_sha256":"e8217764f0821301c4a3af3d9b06f70642e49b39d186e77516658ac1c2a404dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mkVaaffKWDKhbX5zikWa1+NpqyX7giQvdkKheDh8C5MJxnfM4jAJafQwGWHRgYqCR1DnPZAfpBhWtd4MToLzBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:08:16.253759Z","bundle_sha256":"3e107ce3b5722663e32e74137cc3f1991eb8c586afeeadd29a8793e521651f8c"}}